00798nam0-22002531i-450-990001245040403321000124504FED01000124504(Aleph)000124504FED0100012450420000920d1985----km-y0itay50------baengSingularordinary Differential Operators and Pseudodifferential EquationsBY ELSCHNER ,J.Berlin [etc.]Springer-Verlag1985Lecture Notes in Mathematics1128Elschner,Johannes41639ITUNINARICAUNIMARCBK990001245040403321C-20-(11281429MA1MA1Singularordinary Differential Operators and Pseudodifferential Equations381520UNINAING01